JP6245130B2 - 燃料電池 - Google Patents
燃料電池 Download PDFInfo
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- JP6245130B2 JP6245130B2 JP2014209770A JP2014209770A JP6245130B2 JP 6245130 B2 JP6245130 B2 JP 6245130B2 JP 2014209770 A JP2014209770 A JP 2014209770A JP 2014209770 A JP2014209770 A JP 2014209770A JP 6245130 B2 JP6245130 B2 JP 6245130B2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04126—Humidifying
- H01M8/04149—Humidifying by diffusion, e.g. making use of membranes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
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- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
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- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
- H01M2004/8684—Negative electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
- H01M2004/8689—Positive electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
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- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0637—Direct internal reforming at the anode of the fuel cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Inert Electrodes (AREA)
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Description
図1は、第1の実施形態としての燃料電池の構成を示す説明図である。燃料電池100は、電解質膜110と、アノード触媒層120と、カソード触媒層125と、アノード側ガス拡散層130と、カソード側ガス拡散層135と、多孔体流路140と、アノード側セパレーター150と、カソード側セパレーター155と、を備える。電解質膜110は、プロトン伝導性を有する電解質膜であり、例えば、パーフルオロカーボンスルホン酸ポリマのようなフッ素系電解質樹脂(イオン交換樹脂)が用いられる。アノード触媒層120と、カソード触媒層125は、電解質膜110の各面にそれぞれ形成され、触媒(例えば白金)を担持したカーボン、及びスルホン酸基(−SO3H)を有するアイオノマを有している。なお、カソードとアノードを区別しない場合には、アノード触媒層120と、カソード触媒層125を、単に触媒層120、125とも呼ぶ。
(1)粒状カーボン(電気化学工業社製デンカブラック粒状品)と、PTFE(旭硝子社製PTFEディスパージョンAD911)と、酸化セリウム(太陽工業社製酸化セリウムS)と水に分散させて、MPLペーストを作製した。本明細書におけるCeO2/PTFE質量比は、このMPLペーストにおける値である。但し、焼成後の質量比も実質的に同一とみなすことが可能である。
(2)カーボンペーパー(東レ社製)にPTFEを含浸させて焼成し、撥水化した。
(3)(2)で撥水化したカーボンペーパーに(1)で作製したMPLペーストを塗工してMPL層を形成し、その後焼成してガス拡散層を形成した。
第1の実施形態では、アノード側MPL132におけるCeO2/PTFE質量比と、カソード側MPL137におけるCeO2/PTFE質量比とを同じ値にしていたが、第2の実施形態では、第1の撥水層であるアノード側MPL132におけるCeO2/PTFE質量比を、第2の撥水層であるカソード側MPL137におけるCeO2/PTFE質量比を大きくしている。具体的には、アノード側MPL132では、PTFEと、酸化セリウムの質量比を20:4(CeO2/PTFE質量比は20wt%)とし、カソード側MPL137では、PTFEと、酸化セリウムの質量比を30:2(CeO2/PTFE質量比は6.7wt%)とした。
110…電解質膜
120…アノード触媒層
125…カソード触媒層
130…アノード側ガス拡散層
132…アノード側マイクロポーラス層(アノード側MPL)
134…アノード側基材層
135…カソード側ガス拡散層
137…カソード側マイクロポーラス層(カソード側MPL)
139…カソード側基材層
140…多孔体流路
150…アノード側セパレーター
155…カソード側セパレーター
160…ガス流路
170…冷却水流路
Claims (2)
- 燃料電池であって、
電解質膜と、
前記電解質膜の各面にそれぞれ設けられる触媒層と、
前記触媒層の上にそれぞれ配置されるガス拡散層であって、前記触媒層側に撥水層を有するガス拡散層と、
を備え、
前記撥水層は、前記ガス拡散層に、撥水部材と、過酸化水素分解触媒と、を分散させた層として形成されており、前記撥水部材に対する前記過酸化水素分解触媒の質量比が5質量パーセント以上20質量パーセント以下であり、
前記撥水部材は、ポリテトラフルオロエチレンであり、
前記過酸化水素分解触媒は、セリウム含有酸化物である、燃料電池。 - 請求項1に記載の燃料電池において、
前記触媒層のうちのアノード触媒層の上に配置される第1の撥水層の前記撥水部材に対する前記過酸化水素分解触媒の質量比が、カソード触媒層の上に配置される第2の撥水層の前記撥水部材に対する前記過酸化水素分解触媒の質量比よりも大きい、燃料電池。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014209770A JP6245130B2 (ja) | 2014-10-14 | 2014-10-14 | 燃料電池 |
CA2903815A CA2903815C (en) | 2014-10-14 | 2015-09-10 | Water-repellent layer and fuel cell |
US14/877,477 US10629924B2 (en) | 2014-10-14 | 2015-10-07 | Water-repellent layer and fuel cell |
KR1020150141463A KR101810741B1 (ko) | 2014-10-14 | 2015-10-08 | 연료 전지 |
DE102015117293.3A DE102015117293A1 (de) | 2014-10-14 | 2015-10-09 | Wasserabweisende Schicht und Brennstoffzelle |
CN201510659495.3A CN105514465B (zh) | 2014-10-14 | 2015-10-13 | 拒水层和燃料电池 |
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JP2014209770A JP6245130B2 (ja) | 2014-10-14 | 2014-10-14 | 燃料電池 |
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JP2016081630A JP2016081630A (ja) | 2016-05-16 |
JP2016081630A5 JP2016081630A5 (ja) | 2016-06-23 |
JP6245130B2 true JP6245130B2 (ja) | 2017-12-13 |
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JP2014209770A Active JP6245130B2 (ja) | 2014-10-14 | 2014-10-14 | 燃料電池 |
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US (1) | US10629924B2 (ja) |
JP (1) | JP6245130B2 (ja) |
KR (1) | KR101810741B1 (ja) |
CN (1) | CN105514465B (ja) |
CA (1) | CA2903815C (ja) |
DE (1) | DE102015117293A1 (ja) |
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JP6916034B2 (ja) * | 2017-05-02 | 2021-08-11 | トヨタ自動車株式会社 | 膜電極ガス拡散層接合体、および、膜電極ガス拡散層接合体の製造方法 |
KR20210076754A (ko) | 2019-12-16 | 2021-06-24 | 현대자동차주식회사 | 연료전지용 기체확산층 및 이를 포함하는 연료전지 단위셀과 연료전지 스택 |
DE102020202375A1 (de) | 2020-02-25 | 2021-08-26 | Robert Bosch Gesellschaft mit beschränkter Haftung | Brennstoffzellenstapel und Verfahren zum Herstellen desselben |
JP7359077B2 (ja) | 2020-05-22 | 2023-10-11 | トヨタ自動車株式会社 | 燃料電池用の積層体 |
JP7287347B2 (ja) * | 2020-05-22 | 2023-06-06 | トヨタ自動車株式会社 | 燃料電池用の積層体 |
KR20210148719A (ko) | 2020-06-01 | 2021-12-08 | 현대자동차주식회사 | 내구성 향상층을 포함하는 연료전지, 및 이의 제조방법 |
CN113140736A (zh) * | 2020-06-08 | 2021-07-20 | 上海嘉资新材料有限公司 | 一种燃料电池气体扩散层结构、制备方法、膜电极组件以及燃料电池 |
CN112563516B (zh) * | 2020-12-28 | 2023-03-28 | 浙江唐锋能源科技有限公司 | 一种环保燃料电池气体扩散层及其制备方法 |
CN113140739A (zh) * | 2021-01-28 | 2021-07-20 | 上海嘉资新材料有限公司 | 一种燃料电池气体扩散层、其制备方法、膜电极组件以及燃料电池 |
JP7452465B2 (ja) * | 2021-02-24 | 2024-03-19 | トヨタ自動車株式会社 | 燃料電池 |
DE102021205988A1 (de) | 2021-06-14 | 2022-12-15 | Robert Bosch Gesellschaft mit beschränkter Haftung | Elektrochemische Zelleneinheit |
CN114300702B (zh) * | 2022-01-01 | 2024-01-12 | 上海嘉资新材料科技有限公司 | 一种含有氧化铈改性碳纳米纤维的燃料电池气体扩散层结构及其制备方法 |
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JP4278133B2 (ja) * | 2003-04-21 | 2009-06-10 | 株式会社豊田中央研究所 | 固体高分子型燃料電池用電解質膜電極接合体および固体高分子型燃料電池 |
JP4708757B2 (ja) * | 2004-10-07 | 2011-06-22 | 株式会社豊田中央研究所 | 固体高分子型燃料電池 |
JP2006244782A (ja) * | 2005-03-01 | 2006-09-14 | Toyota Motor Corp | 燃料電池 |
JP4821147B2 (ja) * | 2005-03-18 | 2011-11-24 | トヨタ自動車株式会社 | 燃料電池及び燃料電池システム |
JP2007213851A (ja) * | 2006-02-07 | 2007-08-23 | Aisin Seiki Co Ltd | 燃料電池用膜電極接合体および燃料電池 |
JP5298405B2 (ja) * | 2006-04-14 | 2013-09-25 | トヨタ自動車株式会社 | 燃料電池用膜電極接合体の製造方法 |
JP2008098006A (ja) * | 2006-10-12 | 2008-04-24 | Toyota Motor Corp | 燃料電池用膜−電極接合体及び固体高分子型燃料電池 |
JP5223849B2 (ja) * | 2009-11-27 | 2013-06-26 | トヨタ自動車株式会社 | 燃料電池 |
JP2012038479A (ja) * | 2010-08-05 | 2012-02-23 | Toyota Motor Corp | 燃料電池用ガス拡散層の作製方法 |
JP5693125B2 (ja) | 2010-10-05 | 2015-04-01 | 日本ゴア株式会社 | 固体高分子形燃料電池 |
JP5811238B2 (ja) | 2014-06-23 | 2015-11-11 | 富士ゼロックス株式会社 | 原稿送り装置、画像読取装置及び画像形成装置 |
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US20160104905A1 (en) | 2016-04-14 |
US10629924B2 (en) | 2020-04-21 |
CA2903815C (en) | 2018-04-03 |
CN105514465A (zh) | 2016-04-20 |
KR20160043909A (ko) | 2016-04-22 |
CN105514465B (zh) | 2018-07-03 |
DE102015117293A1 (de) | 2016-04-14 |
KR101810741B1 (ko) | 2017-12-19 |
JP2016081630A (ja) | 2016-05-16 |
CA2903815A1 (en) | 2016-04-14 |
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